Merge branch 'feature/iot' of https://gitee.com/zhijiantianya/ruoyi-vue-pro into origin/feature/iot

This commit is contained in:
alwayssuper
2025-01-20 08:02:57 +08:00
15 changed files with 508 additions and 353 deletions

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package cn.iocoder.yudao.module.iot.mqttrpc.config;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
@Data
@Configuration
@ConfigurationProperties(prefix = "mqtt")
public class MqttConfig {
/**
* MQTT 代理地址
*/
private String broker;
/**
* MQTT 用户名
*/
private String username;
/**
* MQTT 密码
*/
private String password;
/**
* MQTT 客户端 ID
*/
private String clientId;
/**
* MQTT 请求主题
*/
private String requestTopic;
/**
* MQTT 响应主题前缀
*/
private String responseTopicPrefix;
}

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package cn.iocoder.yudao.module.iot.mqttrpc.server;
import cn.hutool.core.lang.UUID;
import cn.iocoder.yudao.module.iot.mqttrpc.common.RpcRequest;
import cn.iocoder.yudao.module.iot.mqttrpc.common.RpcResponse;
import cn.iocoder.yudao.module.iot.mqttrpc.common.SerializationUtils;
import cn.iocoder.yudao.module.iot.mqttrpc.config.MqttConfig;
import lombok.extern.slf4j.Slf4j;
import org.eclipse.paho.client.mqttv3.*;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import java.util.HashMap;
import java.util.Map;
// TODO @芋艿server 逻辑,再瞅瞅;
// TODO @haohao如果只写在 iot biz 里,那么后续 server => client 貌似不方便?微信再讨论下~
@Service
@Slf4j
public class RpcServer {
private final MqttConfig mqttConfig;
private final MqttClient mqttClient;
private final Map<String, MethodInvoker> methodRegistry = new HashMap<>();
public RpcServer(MqttConfig mqttConfig) throws MqttException {
this.mqttConfig = mqttConfig;
this.mqttClient = new MqttClient(mqttConfig.getBroker(), "rpc-server-" + UUID.randomUUID(), new MemoryPersistence());
MqttConnectOptions options = new MqttConnectOptions();
options.setAutomaticReconnect(true);
options.setCleanSession(true);
options.setUserName(mqttConfig.getUsername());
options.setPassword(mqttConfig.getPassword().toCharArray());
this.mqttClient.connect(options);
}
@PostConstruct
public void init() throws MqttException {
mqttClient.subscribe(mqttConfig.getRequestTopic(), this::handleRequest);
log.info("RPC Server subscribed to topic: {}", mqttConfig.getRequestTopic());
}
private void handleRequest(String topic, MqttMessage message) {
RpcRequest request = SerializationUtils.deserialize(new String(message.getPayload()), RpcRequest.class);
RpcResponse response = new RpcResponse();
response.setCorrelationId(request.getCorrelationId());
try {
MethodInvoker invoker = methodRegistry.get(request.getMethod());
if (invoker == null) {
throw new NoSuchMethodException("Unknown method: " + request.getMethod());
}
Object result = invoker.invoke(request.getParams());
response.setResult(result);
} catch (Exception e) {
response.setError(e.getMessage());
log.error("Error processing RPC request: {}", e.getMessage(), e);
}
String replyPayload = SerializationUtils.serialize(response);
MqttMessage replyMessage = new MqttMessage(replyPayload.getBytes());
replyMessage.setQos(1);
try {
mqttClient.publish(request.getReplyTo(), replyMessage);
log.info("Published response to {}", request.getReplyTo());
} catch (MqttException e) {
log.error("Failed to publish response: {}", e.getMessage(), e);
}
}
/**
* 注册可调用的方法
*
* @param methodName 方法名称
* @param invoker 方法调用器
*/
public void registerMethod(String methodName, MethodInvoker invoker) {
methodRegistry.put(methodName, invoker);
log.info("Registered method: {}", methodName);
}
@PreDestroy
public void cleanup() throws MqttException {
mqttClient.disconnect();
log.info("RPC Server disconnected");
}
/**
* 方法调用器接口
*/
@FunctionalInterface
public interface MethodInvoker {
Object invoke(Object[] params) throws Exception;
}
}